We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHeroin addicts have higher discount rates for delayed rewards than non-drug-using controls.AuthorsKirby, Kris N.; Petry, Nancy M.; Bickel, Warren K.PublicationJournal of Experimental Psychology: General, 1999, Vol 128, Issue 1, p78ISSN0096-3445DOI10.1037/0096-3445.128.1.78